Correct answer: Nf61...Kf3 2.R:g3# 1...g4 2.Nh4# 1...Nd1/Nd5/Ne2/Ne4/Nb1/Nb5/Na2/Na4 2.Be4# 1.Nh:g3?? zz 1...g4 2.Nh4# 1...Nd1